Watch MCHB. Know when insiders buy.
One email the day a filing lands. Free.
A free account adds a watchlist, alerts when insiders, Congress or short sellers move on your tickers, and a morning brief. Sign up
| Report date | Shares short | Change | % of shares out | Avg daily volume | Days to cover |
|---|---|---|---|---|---|
| 2026-08-31 | 3.8M | +354K | 20.29% | 410K | 9.4 |
| 2026-08-14 | 3.5M | +19K | 18.42% | 471K | 7.4 |
| 2026-07-31 | 3.5M | +69K | 18.32% | 940K | 3.7 |
| 2026-07-15 | 3.4M | −15K | 17.96% | 456K | 7.4 |